path: root/indexer_JPIP/j2k.h

/*
 * Copyright (c) 2001-2002, David Janssens
 * Copyright (c) 2003, Yannick Verschueren
 * Copyright (c) 2003,  Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
 * All rights reserved. 
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#define VERSION "0.0.8"

#ifdef WIN32
#ifdef LIBJ2K_EXPORTS
#define LIBJ2K_API __declspec(dllexport)
#else
#define LIBJ2K_API __declspec(dllimport)
#endif
#else
#define LIBJ2K_API
#endif

#ifndef __J2K_H
#define __J2K_H

#define J2K_MAXRLVLS 33
#define J2K_MAXBANDS (3*J2K_MAXRLVLS+1)

#define J2K_CP_CSTY_PRT 0x01
#define J2K_CP_CSTY_SOP 0x02
#define J2K_CP_CSTY_EPH 0x04
#define J2K_CCP_CSTY_PRT 0x01
#define J2K_CCP_CBLKSTY_LAZY 0x01
#define J2K_CCP_CBLKSTY_RESET 0x02
#define J2K_CCP_CBLKSTY_TERMALL 0x04
#define J2K_CCP_CBLKSTY_VSC 0x08
#define J2K_CCP_CBLKSTY_PTERM 0x10
#define J2K_CCP_CBLKSTY_SEGSYM 0x20
#define J2K_CCP_QNTSTY_NOQNT 0
#define J2K_CCP_QNTSTY_SIQNT 1
#define J2K_CCP_QNTSTY_SEQNT 2

typedef struct 
{
  int dx, dy; // XRsiz, YRsiz
  int prec; // precision
  int bpp; // deapth of image in bits
  int sgnd; // signed
  int *data; // image-component data
} j2k_comp_t;

typedef struct {
    int x0, y0; // XOsiz, YOsiz
    int x1, y1; // Xsiz, Ysiz 
    int numcomps; // number of components
    int index_on; // 0 = no index || 1 = index
  //int PPT;
    j2k_comp_t *comps; // image-components
} j2k_image_t;

typedef struct {
    int expn; // exponent
    int mant; // mantissa
} j2k_stepsize_t;

typedef struct {
    int csty; // coding style
    int numresolutions; // number of resolutions
    int cblkw; // width of code-blocks
    int cblkh; // height of code-blocks
    int cblksty; // code-block coding style
    int qmfbid; // discrete wavelet transform identifier
    int qntsty; // quantisation style
    j2k_stepsize_t stepsizes[J2K_MAXBANDS]; // stepsizes used for quantisation
    int numgbits; // number of guard bits
    int roishift; // Region Of Interest shift
    int prcw[J2K_MAXRLVLS]; // Precinct width
    int prch[J2K_MAXRLVLS]; // Precinct height
} j2k_tccp_t;

typedef struct {
    int resno0, compno0; 
    int layno1, resno1, compno1;
    int prg;
    int tile;
    char progorder[4];
} j2k_poc_t;

typedef struct {
    int csty; // coding style  
    int prg; // progression order
    int numlayers; // number of layers
    int mct; // multi-component transform identifier
    int rates[100]; // rates of layers
    int numpocs; // number of progression order changes 
    j2k_poc_t pocs[32]; // progression order changes
    j2k_tccp_t *tccps; // tile-component coding parameters
} j2k_tcp_t;

typedef struct {
    int tx0, ty0; // XTOsiz, YTOsiz
    int tdx, tdy; // XTsiz, YTsiz
    int tw, th;
    j2k_tcp_t *tcps; // tile coding parameters
} j2k_cp_t;

typedef struct {  
  int len;
  int len_header;
  int offset;
} info_layer_t;

typedef struct {  
  info_layer_t *layer;
} info_prec_t;

typedef struct {  
  info_prec_t *prec;
} info_reso_t;

typedef struct {  
  info_reso_t *reso;
} info_compo_t;

typedef struct {
  int num_tile;   // Number of Tile
  int start_pos;  // Start position
  int end_header; // End position of the header
  int end_pos;    // End position
  int pw, ph;     // number of precinct by tile
  int num_packet; // number of packet in the tile
  info_compo_t *compo;  // component [packet]
} info_tile_t; // index struct

typedef struct {
  int type;   // type of marker [SIZ, QCD, POC, PPM, CRG] appearing only once
  int start_pos;  // Start position of the marker
  int len; // Length of the marker
} info_marker_t; // index struct

typedef struct{
  info_marker_t *COD;
  int num_COD;
  info_marker_t *COC;
  int num_COC;
  info_marker_t *RGN;
  int num_RGN;
  info_marker_t *QCC;
  int num_QCC;
  info_marker_t *TLM;
  int num_TLM;
  info_marker_t *PLM;
  int num_PLM;
  info_marker_t *PPM;
  int num_PPM;
  info_marker_t *COM;
  int num_COM;
} info_marker_mul_t; // index struct

typedef struct {
  int index_on;
  int num;  // numero of packet
  int index_write; // writing the packet inthe index with t2_encode_packets
  int Im_w, Im_h; // Image width and Height
  int Prog; // progression order
  int Tile_x, Tile_y; // Number of Tile in X and Y
  int tw, th;
  int Comp; // Component numbers
  int Layer; // number of layer
  int Decomposition; // number of decomposition
  int pw, ph;   // nombre precinct in X and Y
  int pdx, pdy; // size of precinct in X and Y
  int Main_head_end; // Main header position
  int codestream_size; // codestream's size
  info_tile_t *tile;  // information concerning tiles inside image
  info_marker_t *marker; // information concerning markers inside image [only one apparition]
  info_marker_mul_t marker_mul;  // information concerning markers inside image [multiple apparition] 
  int num_marker; // number of marker
  int num_packet_max;  // MAximum number of packet
} info_image_t; // index struct



/* 
 * Encode an image into a JPEG-2000 codestream
 * i: image to encode
 * cp: coding parameters
 * dest: destination buffer
 * len: length of destination buffer
 * index : index file name
 */
LIBJ2K_API int j2k_encode(j2k_image_t *i, j2k_cp_t *cp,char *outfile, int len,char *index);

//LIBJ2K_API int j2k_encode(j2k_image_t *i, j2k_cp_t *cp,unsigned char *dest, int len);
/*
 * Decode an image from a JPEG-2000 codestream
 * src: source buffer
 * len: length of source buffer
 * i: decode image
 * cp: coding parameters that were used to encode the image
 */
LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t **i, j2k_cp_t **cp);

#endif